Gravitation – Online MCQs Test – Physics 9th

1.

2. Gravitational force is always present between two objects because of their:

3. Spring balance is used to measure ______________

4. Newton’s law of gravitational holds between every two objects on the _________

5. A communication satellite completes its one revolution around the Earth in hours

6. In 1798, he completed the 1^st experiment that demonstrated Newton’s Law of universal gravitation.

7. Your weight as measured on Earth will be _________ on the Moon.

8. The time required for a satellite or complete one revolution around the Earth in its orbit is called its:

9. Gravitational force is always ___________

10. Weight is measure in:

11. Newton’s law of gravitation is consistent with Newton’s _________ law of motion.

12. Sun’s gravitational attraction to the Earth is ________ times greater than that of the moon to the Earth.

13. The constant horizontal velocity required to put the satellite into a stable circular orbit around the Earth is called:

14. The motion of a falling ball towards Earth is due to the ____________

15. The gravitational pull of the Earth on the satellite provides the _________ needed to keep a satellite in orbit around some planet.

16. According to Newton’s law of universal gravitation, force ∝ to ___________

17. It changes the path of the Moon around the Earth.

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20. The height of a geostationary satellite is about km from the surface of the Earth.